Datasheet

 2017 Microchip Technology Inc. DS00002348A-page 65
KSZ8873MLL/FLL/RLL
Register 179 (0xB3): TXQ Split for Q3 in Port 2
7 Priority Select R/W
0 = enable straight priority with Reg 180/181/182
bits[7]=0 and Reg 5 bit[3]=0 for higher priority first
1 = priority ratio is 8:4:2:1 for 4 queues and 2:1 for 2
queues with Reg 180/181/182 bits[7]=1.
1
6-0 Reserved RO
Reserved
Do not change the default values.
8
Register 180 (0xB4): TXQ Split for Q2 in Port 2
7 Priority Select R/W
0 = enable straight priority with Reg 179/181/182
bits[7]=0 and Reg 5 bit[3]=0 for higher priority first
1 = priority ratio is 8:4:2:1 for 4 queues and 2:1 for 2
queues with Reg 179/181/182 bits[7]=1.
1
6-0 Reserved RO
Reserved
Do not change the default values.
4
Register 181 (0xB5): TXQ Split for Q1 in Port 2
7 Priority Select R/W
0 = enable straight priority with Reg 179/180/182
bits[7]=0 and Reg 5 bit[3]=0 for higher priority first
1 = priority ratio is 8:4:2:1 for 4 queues and 2:1 for 2
queues with Reg 179/180/182 bits[7]=1.
1
6-0 Reserved RO
Reserved
Do not change the default values.
2
Register 182 (0xB6): TXQ Split for Q0 in Port 2
7 Priority Select R/W
0 = enable straight priority with Reg 179/180/181
bits[7]=0 and Reg 5 bit[3]=0 for higher priority first
1 = priority ratio is 8:4:2:1 for 4 queues and 2:1 for 2
queues with Reg 179/180/181 bits[7]=1.
1
6-0 Reserved RO
Reserved
Do not change the default values.
1
Register 183 (0xB7): TXQ Split for Q3 Port 3
7 Priority Select R/W
0 = enable straight priority with Reg 184/185/186
bits[7]=0 and Reg 5 bit[3]=0 for higher priority first
1 = priority ratio is 8:4:2:1 for 4 queues and 2:1 for 2
queues with Reg 184/185/186 bits[7]=1.
1
6-0 Reserved RO
Reserved
Do not change the default values.
8
Register 184 (0xB8): TXQ Split for Q2 Port 3
7 Priority Select R/W
0 = enable straight priority with Reg 183/185/186
bits[7]=0 and Reg 5 bit[3]=0 for higher priority first
1 = priority ratio is 8:4:2:1 for 4 queues and 2:1 for 2
queues with Reg 183/185/186 bits[7]=1.
1
6-0 Reserved RO
Reserved
Do not change the default values.
4
Register 185 (0xB9): TXQ Split for Q1 in Port 3
7 Priority Select R/W
0 = enable straight priority with Reg 183/184/186
bits[7]=0 and Reg 5 bit[3]=0 for higher priority first
1 = priority ratio is 8:4:2:1 for 4 queues and 2:1 for 2
queues with Reg 183/184/186 bits[7]=1.
1
6-0 Reserved RO
Reserved
Do not change the default values.
2
TABLE 4-9: ADVANCED CONTROL REGISTERS (REGISTERS 96-198) (CONTINUED)
Bit Name R/W Description Default